{"action":"Upgrade qemu to 1:7.1+dfsg-1 or later.","affected":[{"fixed":"1:7.1+dfsg-1","introduced":"0"}],"component":"qemu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:7.1+dfsg-1"],"id":"tcs_01M5NFS0C700HACCBQKWR6Q6EB","modified_at":"2026-10-23T18:04:00.078692226Z","published_at":"2021-05-06T16:15:07.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3507","https://security-tracker.debian.org/tracker/CVE-2021-3507"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3507#Debian:13/qemu","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3507"}],"summary":"A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers fro"}